BEIJING, CHINA - OCTOBER 09: Elise Mertens of Belgium returns a shot against Iga Swiatek of Poland during the Women's Singles quarterfinal match on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Iga Swiatek of Poland reacts during the Women's Singles quarterfinal match against Elise Mertens of Belgium on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Iga Swiatek of Poland reacts during the Women's Singles quarterfinal match against Elise Mertens of Belgium on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Iga Swiatek of Poland reacts during the Women's Singles quarterfinal match against Elise Mertens of Belgium on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Iga Swiatek of Poland returns a shot against Elise Mertens of Belgium during the Women's Singles quarterfinal match on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Iga Swiatek of Poland returns a shot against Elise Mertens of Belgium during the Women's Singles quarterfinal match on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Iga Swiatek of Poland returns a shot against Elise Mertens of Belgium during the Women's Singles quarterfinal match on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Iga Swiatek of Poland returns a shot against Elise Mertens of Belgium during the Women's Singles quarterfinal match on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)